<template>
  <div>
<!--   面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
<!--    卡片视图区域-->
    <el-card>
<!--      搜索与添加区域 gutter是间距，span是宽度-->
      <el-row :gutter="20">
        <el-col :span="7">
<!--           @clear在点击由 clearable 属性生成的清空按钮时触发-->
          <el-input placeholder="请输入内容"  v-model="queryInfo.query" clearable
          @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
<!--      用户列表区域-->
      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              active-color="#13ce66"
              inactive-color="#ff4949"
              @change="userStateChange(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="240px">
          <template slot-scope="scope">
<!--            修改角色按钮-->
            <el-button type="primary" icon="el-icon-edit" size="mini"
                        @click="showEditDialog(scope.row.id)"></el-button>
<!--            删除角色按钮-->
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
<!--            分配角色按钮-->
            <el-tooltip class="item" effect="dark" content="分配角色"
                        placement="top"
                        :enterable="false">
              <el-button type="warning" icon="el-icon-setting"
                         size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
<!--      分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pageNum"
        :page-sizes="[3, 5, 8, 12]"
        :page-size="queryInfo.pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
<!--    添加用户的对话框-->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      >
<!--      内容主体区域-->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item><el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" show-password></el-input>
        </el-form-item><el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item><el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
<!--      底部区域-->
      <span slot="footer" class="dialog-footer">
    <el-button @click="resetInfo">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
    </el-dialog>
<!--    修改用户的对话框-->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="closeEditDialog()">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email" ></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUser">确 定</el-button>
  </span>
    </el-dialog>
<!--分配角色的对话框-->
    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%" @close="setRoleDialogClose">
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>分配新角色：
          <el-select v-model="selectRoleId" placeholder="请选择">
<!--            ：value是真正选中的值-->
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
    </el-dialog>
  </div>
</template>
<script>
export default {
  name: "User",
  data(){
    //验证邮箱规则
    let checkEmail=(rule, value, callback)=>{
      let regEmail = /^([a-zA-Z]|[0-9])(\w|\-)+@[a-zA-Z0-9]+\.([a-zA-Z]{2,4})$/
      if (!regEmail.test(value)){
        //非法邮箱
         callback(new Error('请输入合法邮箱'))
      }
      callback()
    };
    //验证手机号规则
    let checkMobile=(rule, value, callback)=>{
      let regMobile = /^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/
      if (!regMobile.test(value)){
        //非法邮箱
        callback(new Error('手机号不正确'))
      }
      callback()
    }
    return{
      //选中的角色id值
      selectRoleId:'',
      //控制分配角色对话框的显示与隐藏
      setRoleDialogVisible:false,
      //控制修改用户对话框的显示和隐藏
      editDialogVisible:false,
      //添加用户的表单数据
      addForm:{
        username:'',
        password:'',
        email:'',
        mobile:''
      },
      //添加表单的验证规则对象
      addFormRules:{
        username:[
          {required:true,message:'请输入用户名',trigger:'blur'},
          {min:3,max:10,message: '用户名长度在3~10个字符之间',trigger: 'blur'}
        ],
        password:[
          {required:true,message:'请输入密码',trigger:'blur'},
          {min:6,max:15,message: '用户名长度在6~15个字符之间',trigger: 'blur'}
        ],
        email:[
          {required:true,message:'请输入邮箱',trigger:'blur'},
          {validator:checkEmail,trigger: 'blur'}
        ],
        mobile:[
          {required:true,message:'请输入手机号',trigger:'blur'},
          {validator:checkMobile,trigger: 'blur'}
        ]
      },
      //控制添加用户对话框的显示和隐藏
      addDialogVisible:false,
      queryInfo:{
        query:'',
        //当前页数
        pageNum: 1,
        //当前每页展示条数
        pageSize: 5
      },
      userList:[],
      total:0,
      //查询到的用户信息对象
      editForm:{},
      editFormRules:{
        email:[
          {required:true,message:'请输入邮箱',trigger:'blur'},
          {validator:checkEmail,trigger: 'blur'}
        ],
        mobile:[
          {required:true,message:'请输入手机号',trigger:'blur'},
          {validator:checkMobile,trigger: 'blur'}
        ]
      },
      //需要被分配角色的用户信息
      userInfo:{},
      //角色列表
      rolesList:[]
    }
  },
  created() {
    this.getUserList()
  },
  methods:{
    //监听分配角色对话框的关闭事件
    setRoleDialogClose(){
      this.selectRoleId=''
    },
    //点击按钮，分配角色
    saveRoleInfo(){
      if (!this.selectRoleId){
        return this.$message.error('请选择要分配的角色！')
      }
      this.$http.put(`users/${this.userInfo.id}/role`,
        {rid:this.selectRoleId}).then(({data:res})=>{
          if (res.meta.status!==200) return this.$message.error('更新角色失败！')
          this.$message.success('更新角色成功！')
          this.getUserList()
      })
      this.setRoleDialogVisible=false
    },
    //展示分配角色的对话框
    setRole(userinfo){
      //将用户信息保存到data
      this.userInfo=userinfo
      //在展示对话框之前，获取所有角色的列表
      this.$http.get('roles').then(({data:res})=>{
        if (res.meta.status!==200) return this.$message.error('获取角色列表失败！')
        this.rolesList=res.data
      })
      this.setRoleDialogVisible=true
    },
    //根据id删除对应的用户信息
    removeUserById(id){
    //  弹框提示用户是否删除数据
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(()=>{
        this.$http.delete('users/'+id).then(({data:res})=>{
          if (res.meta.status!==200) return this.$message.error(res.meta.msg)
          this.getUserList()
          return this.$message.success(res.meta.msg)
        })
      }).catch(()=>{
        return this.$message.info('已取消删除')
      })

    },
    //修改用户信息并提交
    editUser(){
      this.$refs.editFormRef.validate(valid=>{
        if (!valid) return this.$message.error('修改失败，信息格式有误，请重新填写')
        //可以发起修改用户的网络请求
        this.$http.put('users/'+this.editForm.id,
          {email:this.editForm.email,mobile:this.editForm.mobile})
          .then(({data:res})=>{
            if (res.meta.status!==200) return  this.$message.error('更新失败,请稍后再试')
            this.editDialogVisible = false
            this.getUserList()
            this.$message.success(res.meta.msg)
        })
      })
    },
    closeEditDialog(){
      this.$refs.editFormRef.resetFields()
    },
    //展示编辑用户的对话框
    showEditDialog(id){
      this.$http.get('users/'+id).then(({data:res})=>{
        if (res.meta.status!==200) return this.$message.error('查询用户信息失败！')
        this.editForm=res.data
      })
      this.editDialogVisible=true
    },
    //添加新用户
    addUser(){
      this.$refs.addFormRef.validate(valid=>{
        if (!valid) return this.$message.error('添加失败，信息格式有误，请重新填写')
        //可以发起添加用户的网络请求
        this.$http.post('users',this.addForm).then(({data:res})=>{
          if (res.meta.status!==201) return  this.$message.error('添加失败,请稍后再试')
          this.$message.success('用户添加成功')
          this.addDialogVisible = false
          this.getUserList()
        })
      })
    },
    //关闭时重置表单,拿到引用，调用重置方法
    resetInfo(){
      this.$refs.addFormRef.resetFields()
      this.addDialogVisible = false
    },
    //监听switch开关的改变
    userStateChange(userInfo){
      this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`).
      then(({data:res})=>{
        if (res.meta.status!==200) {
          userInfo.mg_state=!userInfo.mg_state
          return this.$message.error(res.meta.msg)
        }
        this.$message.success(res.meta.msg)
      })
    },
    //监听页码值改变的事件
    handleCurrentChange(newPage){
      this.queryInfo.pageNum=newPage
      this.getUserList()
    },
    //监听pagesize改变的事件
    handleSizeChange(newSize){
      this.queryInfo.pageSize=newSize
      this.getUserList()
    },
    getUserList(){
      this.$http.get('users',{params:this.queryInfo}).then(({data:res})=>{
        if (res.meta.status!==200) return this.$message.error('获取用户列表失败')
        this.userList=res.data.users
        this.total=res.data.total
        console.log('1');
      })
    }
  }
}
</script>

<style scoped>

</style>
